Flexible displaying substrate and fabricating method thereof, and displaying device

Abstract

A flexible displaying substrate includes: a first flexible film layer; a first barrier layer provided on a first surface of the first flexible film layer, and the first barrier layer is a constant-thickness film layer; a second barrier layer provided on one side of the first barrier layer away from the first flexible film layer; and a second flexible film layer is provided between the first barrier layer and the second barrier layer; wherein a surface of the second barrier layer closer to the first flexible film layer is provided with a slot, and a first orthographic projection of the second flexible film layer on the first flexible film layer and a second orthographic projection of the slot on the first flexible film layer at least partially overlap.

1 . A flexible displaying substrate, wherein the flexible displaying substrate comprises:
 a first flexible film layer;   a first barrier layer, wherein the first barrier layer is provided on a first surface of the first flexible film layer and the first barrier layer is a constant-thickness film layer;   a second barrier layer, wherein the second barrier layer is provided on one side of the first barrier layer away from the first flexible film layer; and   a second flexible film layer, wherein the second flexible film layer is provided between the first barrier layer and the second barrier layer;   wherein a surface of the second barrier layer closer to the first flexible film layer is provided with a slot, and a first orthographic projection of the second flexible film layer on the first flexible film layer and a second orthographic projection of the slot on the first flexible film layer at least partially overlap.   
     
     
         2 . The flexible displaying substrate according to  claim 1 , wherein at least part of a contour line of the second orthographic projection is located outside a contour line of the first orthographic projection. 
     
     
         3 . The flexible displaying substrate according to  claim 2 , wherein the second flexible film layer fills the slot. 
     
     
         4 . The flexible displaying substrate according to  claim 3 , wherein the first barrier layer and the second barrier layer together define an enclosed accommodating space, and the second flexible film layer fills the accommodating space. 
     
     
         5 . The flexible displaying substrate according to  claim 1 , wherein the second orthographic projection covers an orthographic projection of a displaying region of the displaying substrate on the first flexible film layer. 
     
     
         6 . The flexible displaying substrate according to  claim 1 , wherein
 the second barrier layer comprises a border frame and a bottom layer; and   the border frame is provided on the surface of the first barrier layer away from the first flexible film layer, the bottom layer is provided on one side of the border frame away from the first flexible film layer, and the border frame and the bottom layer together define the slot.   
     
     
         7 . The flexible displaying substrate according to  claim 6 , wherein the bottom layer and the border frame are integrally formed. 
     
     
         8 . The flexible displaying substrate according to  claim 1 , wherein the flexible displaying substrate further comprises a buffer layer, and the buffer layer is provided on the surface of the second barrier layer away from the first flexible film layer. 
     
     
         9 . A displaying device, wherein the displaying device comprises the flexible displaying substrate according to  claim 1 . 
     
     
         10 . The displaying device according to  claim 9 , wherein at least part of a contour line of the second orthographic projection is located outside a contour line of the first orthographic projection. 
     
     
         11 . The displaying device according to  claim 10 , wherein the second flexible film layer fills the slot. 
     
     
         12 . The displaying device according to  claim 11 , wherein the first barrier layer and the second barrier layer together define an enclosed accommodating space, and the second flexible film layer fills the accommodating space. 
     
     
         13 . The displaying device according to  claim 9 , wherein the second orthographic projection covers an orthographic projection of a displaying region of the displaying substrate on the first flexible film layer. 
     
     
         14 . The displaying device according to  claim 9 , wherein
 the second barrier layer comprises a border frame and a bottom layer; and   the border frame is provided on the surface of the first barrier layer away from the first flexible film layer, the bottom layer is provided on one side of the border frame away from the first flexible film layer, and the border frame and the bottom layer together define the slot.   
     
     
         15 . The displaying device according to  claim 14 , wherein the bottom layer and the border frame are integrally formed. 
     
     
         16 . The displaying device according to  claim 9 , wherein the flexible displaying substrate further comprises a buffer layer, and the buffer layer is provided on the surface of the second barrier layer away from the first flexible film layer.